Multifunctional Use: Suitable for keyboards, mice, and various computer accessories, as well as different types of furniture. Includes a sliding keyboard tray support and keyboard sliders. Surface Protection: The base design helps prevent scratches, protecting the surface of your furniture, the keyboard backplate, and drawer slides. Reliable Rail Extension: The rail extension makes it easy to change the keyboard position, improving user comfort and accessibility. Also includes a side-mount drawer slide support and a rear-mount keyboard slide support. Durable Support: The reliable support provides strong and stable support for the keyboard, ensuring it stays in place. Also includes a drawer slide support and keyboard rail support. Protective Base Design: The base design prevents scratches, protecting your furniture, keyboard tray sliders, and bottom-mount drawer slides.